After a successful trial run of a system that allows devices on emergency vehicles to control traffic signals while on ...

A new study suggests a fourth, white traffic light could let self-driving cars manage intersections more efficiently ...

Traffic lights today are controlled by computers and other purpose-built systems, but what did people do before computers ...

The idea of a fourth traffic light has gone viral online, with several reports claiming that a white signal will soon join the familiar red, amber and green at road intersections. The reason, ...

Transportation engineers at North Carolina State University have proposed that an additional color be added to existing traffic lights. This new color would be a white light, intended for the use of ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Urban planners in Vienna, Austria, installed their first smart ...